| Year | Positions | Non-US IMGs | Non-US IMGs % | US IMGs | US IMGs % |
| 2026 | 90 | 0 | 0.0 | 30 | 33.3 |
| 2025 | 98 | 2 | 2.2 | 39 | 41.9 |
| 2024 | 90 | 0 | 0.0 | 32 | 36.8 |
| 2023 | 81 | 0 | 0.0 | 31 | 38.8 |
| 2022 | 79 | 2 | 2.6 | 28 | 36.4 |
| 2021 | 85 | 2 | 2.4 | 38 | 46.3 |
| 2020 | 81 | 4 | 5.0 | 26 | 32.5 |
| 2019 | 74 | 3 | 4.1 | 33 | 45.2 |
| 2018 | 78 | 4 | 5.3 | 34 | 45.3 |
| 2017 | 76 | 4 | 5.5 | 29 | 39.7 |